feed up
give sb.plenty of good,nourishing food in order to build up his body给某人足够的营养食物以增进健康
She fed him up on the best food she could get.她尽可能地给他补养。
You are very weak after your illness,so we'll have to feed you up.病后你很虚弱,我们得让你补养起来。
You must feed up to grow stronger.你必须吃点有营养的食物使身体长得更强壮些。
Your child looks too thin; he needs feeding up.你的孩子看上去太瘦了,他需要加强营养。